ELECTEIC CULTIVATION IN RELATION TO HORTICULTURE. 409 



Leinstroru discharged the electric current from an overhead wire, as 

 shown by rig. 65, 7. The discharge was effected by well-distributed points 



along the wires. He employed a special kind of electric collector machine. 

 Lemstrom has left valuable results as a legacy to his successors, one of 

 which is the fact that in the periods of field growth an accleration, 



N N 



